Home / 37,205.73-51,343.77-21,290.14

Finding the Fourth Proportional to 37,205.73, 51,343.77 and 21,290.14

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Solution

The fourth proportional to 37,205.73, 51,343.77 and 21,290.14 is: 29,380.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,205.73 : 51,343.77 = 21,290.14 : x
  2. Step 2: Convert to fraction form
    37,205.73/51,343.77 = 21,290.14/x
  3. Step 3: Cross multiply
    37,205.73x = 51,343.77 × 21,290.14
  4. Step 4: Simplify right side
    37,205.73x = 1,093,116,195.45
  5. Step 5: Solve for x
    x = 1,093,116,195.45/37,205.73
  6. Step 6: Final answer
    x = 29,380.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.